diff --git a/pkg/coredata/migrations/20260319T150000Z.sql b/pkg/coredata/migrations/20260319T150000Z.sql
index 259a73e53..e4fcc0600 100644
--- a/pkg/coredata/migrations/20260319T150000Z.sql
+++ b/pkg/coredata/migrations/20260319T150000Z.sql
@@ -1,5 +1,4 @@
-ALTER TYPE session_auth_method ADD VALUE 'GOOGLE';
-ALTER TYPE session_auth_method ADD VALUE 'MICROSOFT';
+ALTER TYPE session_auth_method ADD VALUE 'OIDC';
 
 CREATE TYPE iam_oidc_provider AS ENUM (
     'GOOGLE',
diff --git a/pkg/coredata/session.go b/pkg/coredata/session.go
index f0c392f6c..9c499cb7c 100644
--- a/pkg/coredata/session.go
+++ b/pkg/coredata/session.go
@@ -57,8 +57,7 @@ const (
 	AuthMethodMagicLink AuthMethod = "MAGIC_LINK"
 	AuthMethodPassword  AuthMethod = "PASSWORD"
 	AuthMethodSAML      AuthMethod = "SAML"
-	AuthMethodGoogle    AuthMethod = "GOOGLE"
-	AuthMethodMicrosoft AuthMethod = "MICROSOFT"
+	AuthMethodOIDC      AuthMethod = "OIDC"
 )
 
 func NewRootSession(identityID gid.GID, method AuthMethod, duration time.Duration) *Session {
diff --git a/pkg/server/api/connect/v1/oidc_handler.go b/pkg/server/api/connect/v1/oidc_handler.go
index cc9c0c98a..3c3d672c8 100644
--- a/pkg/server/api/connect/v1/oidc_handler.go
+++ b/pkg/server/api/connect/v1/oidc_handler.go
@@ -110,19 +110,11 @@ func (h *OIDCHandler) CallbackHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var authMethod coredata.AuthMethod
-	switch provider {
-	case coredata.OIDCProviderGoogle:
-		authMethod = coredata.AuthMethodGoogle
-	case coredata.OIDCProviderMicrosoft:
-		authMethod = coredata.AuthMethodMicrosoft
-	}
-
 	rootSession := authn.SessionFromContext(ctx)
 
 	switch {
 	case rootSession == nil:
-		rootSession, err = h.iam.AuthService.OpenSessionWithOIDC(ctx, identity.ID, authMethod)
+		rootSession, err = h.iam.AuthService.OpenSessionWithOIDC(ctx, identity.ID, coredata.AuthMethodOIDC)
 		if err != nil {
 			h.logger.ErrorCtx(ctx, "cannot open root session", log.Error(err))
 			httpserver.RenderError(w, http.StatusInternalServerError, errors.New("internal server error"))
@@ -136,7 +128,7 @@ func (h *OIDCHandler) CallbackHandler(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		rootSession, err = h.iam.AuthService.OpenSessionWithOIDC(ctx, identity.ID, authMethod)
+		rootSession, err = h.iam.AuthService.OpenSessionWithOIDC(ctx, identity.ID, coredata.AuthMethodOIDC)
 		if err != nil {
 			h.logger.ErrorCtx(ctx, "cannot open root session", log.Error(err))
 			httpserver.RenderError(w, http.StatusInternalServerError, errors.New("internal server error"))